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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC32MX795F512LT-80I/PF датащи(PDF) 204 Page - Microchip Technology |
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PIC32MX795F512LT-80I/PF датащи(HTML) 204 Page - Microchip Technology |
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204 / 256 page  PIC32MX5XX/6XX/7XX DS61156G-page 204 © 2009-2011 Microchip Technology Inc. FIGURE 31-11: SPIx MODULE MASTER MODE (CKE = 1) TIMING CHARACTERISTICS TABLE 31-29: SPIx MODULE MASTER MODE (CKE = 1) TIMING REQUIREMENTS AC CHARACTERISTICS Standard Operating Conditions: 2.3V to 3.6V (unless otherwise stated) Operating temperature -40°C ≤TA ≤+85°C for Industrial -40°C ≤TA ≤+105°C for V-Temp Param. No. Symbol Characteristics(1) Min. Typ.(2) Max. Units Conditions SP10 TSCL SCKx Output Low Time(3) TSCK/2 — — ns — SP11 TSCH SCKx Output High Time(3) TSCK/2 — — ns — SP20 TSCF SCKx Output Fall Time(4) — — — ns See parameter DO32 SP21 TSCR SCKx Output Rise Time(4) — — — ns See parameter DO31 SP30 TDOF SDOx Data Output Fall Time(4) — — — ns See parameter DO32 SP31 TDOR SDOx Data Output Rise Time(4) — — — ns See parameter DO31 SP35 TSCH2DOV, TSCL2DOV SDOx Data Output Valid after SCKx Edge —— 15 ns VDD > 2.7V —— 20 ns VDD < 2.7V SP36 TDOV2SC, TDOV2SCL SDOx Data Output Setup to First SCKx Edge 15 — — ns — SP40 TDIV2SCH, TDIV2SCL Setup Time of SDIx Data Input to SCKx Edge 15 — — ns VDD > 2.7V 20 — — ns VDD < 2.7V SP41 TSCH2DIL, TSCL2DIL Hold Time of SDIx Data Input to SCKx Edge 15 — — ns VDD > 2.7V 20 — — ns VDD < 2.7V Note 1: These parameters are characterized, but not tested in manufacturing. 2: Data in “Typical” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only and are not tested. 3: The minimum clock period for SCKx is 40 ns. Therefore, the clock generated in Master mode must not violate this specification. 4: Assumes 50 pF load on all SPIx pins. SCKX (CKP = 0) SCKX (CKP = 1) SDOX SDIX SP36 SP30,SP31 SP35 MSb Bit 14 - - - - - -1 LSb In Bit 14 - - - -1 LSb Note: Refer to Figure 31-1 for load conditions. SP11 SP10 SP21 SP20 SP40 SP41 SP20 SP21 MSb In |
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